The cure to insomnia is a tone-deaf person's song?

Hong Yi-young (played by Kim Se-jeong) is a timpanist who suffers from insomnia and memory loss from an accident that happened a year ago.

Jang Yoon (played by Yeon Woo-jin), a suspicious tone-deaf person approaches her. 

Yi-young tries to piece back her memory one by one. 

But, there is also a chilling murder case that is lurking behind her lost memories.

A mysterious romance that will cool you down on a hot summer night is coming to you.

Jang Yoon (played by Yeon Woo-jin)

Hong Yi-young (played by Kim Se-jeong)

Ha Eun-ju (played by Park Ji-yeon)

Nam Joo-wan (played by Song Jae-rim)

One year ago, our performances started making different sounds.

Premiers Aug. 5, Monday 10 p.m. / Airs every Mon/Tues 10 p.m. (32 episodes)